#!/usr/bin/env bash

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"

REMOTE_HOST="${DEPLOY_HOST:-129.28.197.250}"
REMOTE_USER="${DEPLOY_USER:-root}"
REMOTE_PASSWORD="${DEPLOY_PASSWORD:-HUIchuang@2020#\$123..Server6}"
REMOTE_TARGET_DIR="${DEPLOY_TARGET_DIR:-/usr/local/nginx/video-script-admin}"
BUILD_COMMAND="${BUILD_COMMAND:-npm run build}"

require_command() {
  if ! command -v "$1" >/dev/null 2>&1; then
    echo "Missing required command: $1" >&2
    exit 1
  fi
}

require_command npm
require_command tar
require_command sshpass
require_command ssh
require_command scp

cd "${PROJECT_ROOT}"

echo "==> Building project"
${BUILD_COMMAND}

if [ ! -d "dist" ]; then
  echo "Build output dist/ not found" >&2
  exit 1
fi

TIMESTAMP="$(date +"%Y%m%d%H%M%S")"
ARCHIVE_NAME="video-script-admin-${TIMESTAMP}.tar.gz"
LOCAL_ARCHIVE="/tmp/${ARCHIVE_NAME}"
REMOTE_ARCHIVE="/tmp/${ARCHIVE_NAME}"

cleanup() {
  rm -f "${LOCAL_ARCHIVE}"
}

trap cleanup EXIT

echo "==> Packing dist/"
tar -C "dist" -czf "${LOCAL_ARCHIVE}" .

echo "==> Uploading package to ${REMOTE_USER}@${REMOTE_HOST}"
sshpass -p "${REMOTE_PASSWORD}" scp -o StrictHostKeyChecking=no "${LOCAL_ARCHIVE}" "${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_ARCHIVE}"

echo "==> Deploying to ${REMOTE_TARGET_DIR}"
sshpass -p "${REMOTE_PASSWORD}" ssh -o StrictHostKeyChecking=no "${REMOTE_USER}@${REMOTE_HOST}" \
  "REMOTE_ARCHIVE='${REMOTE_ARCHIVE}' REMOTE_TARGET_DIR='${REMOTE_TARGET_DIR}' bash -s" <<'EOF'
set -euo pipefail

mkdir -p "${REMOTE_TARGET_DIR}"
find "${REMOTE_TARGET_DIR}" -mindepth 1 -maxdepth 1 -exec rm -rf -- {} +
tar -xzf "${REMOTE_ARCHIVE}" -C "${REMOTE_TARGET_DIR}"
rm -f "${REMOTE_ARCHIVE}"
EOF

echo "==> Deployment complete"